CN205158149U - A solar tracking device - Google Patents

Abstract

The utility model relates to a solar tracking device, including the horizontally base and installing the support on the base, the support can be rotatory around the axis, and fixed mounting has the driving motor who is used for taking movable support rotatory on the base, solar cell panel is installed on the upper portion of support, installs the angle -adjustment means who is used for adjusting contained angle between solar cell panel and the horizontal plane between solar cell panel and the support, the last tracker that is used for gathering solar position information of installing of solar cell panel, and tracker connection control unit, the control unit connects driving motor and angle -adjustment means simultaneously. The utility model discloses a solar position that the tracker was gathered, it is rotatory with solar cell panel through the drive motor drive support, adjust solar cell panel's horizontal direction, vertical direction through angle -adjustment means regulation solar cell panel can make solar cell panel move towards solar position all the time to improve the efficiency of utilizing solar energy.

Description

A solar tracking device

【Technical field】

The utility model relates to the field of solar energy, in particular to a solar tracking device.

【Background technique】

With the continuous consumption of resources, the energy structure based on conventional energy will more and more meet the needs of sustainable development, and renewable resources including solar energy will receive more and more attention. From the perspective of ease of use, there are still many villages far away from the existing power grid, and the terrain is complex. It is very costly to supply power to villages in remote areas through transmission lines and distribution lines, and these places usually have relatively small power loads. Therefore, most areas use solar power to generate electricity, and to use clean sunlight, solar panels are usually required to be installed. Since the position of the sun changes gradually with time, the sun can only shine directly on the solar panels for a short period of time, so There is no way to maximize the use of solar energy. In order to solve this problem, there are existing solar tracking devices, which are used to ensure that the sunlight is irradiated vertically on the solar panels. However, the existing solar tracking devices have complex structures and high manufacturing costs.

【Content of invention】

The purpose of the utility model is to overcome the problems existing in the prior art and provide a solar tracking device with simple structure and low cost.

In order to achieve the above object, the utility model adopts the following technical solutions:

It includes a horizontal base and a bracket installed on the base. The bracket can rotate around the axis. A drive motor for driving the bracket to rotate is fixedly installed on the base; a solar panel is installed on the upper part of the bracket, and a useful The angle adjustment device is used to adjust the angle between the solar panel and the horizontal plane. A tracker for collecting the sun position information is installed on the solar panel. The tracker is connected to the control unit, and the control unit is connected to the drive motor and the angle adjustment device at the same time; the control unit It is used to obtain the sun position information and judge whether the tracker is facing the sun. When the tracker is not facing the sun, start the drive motor and angle adjustment device, and adjust the position of the solar panel until the tracker is facing the sun.

Further, the tracker includes a cylindrical casing, and four photoresistors are evenly arranged on the outside and inside of the cylindrical casing.

Further, the photoresistors are respectively located in the due east, due south, due west and due north directions.

Further, the angle adjustment device is an electric telescopic rod, one end of the electric telescopic rod is connected to the solar panel, and the other end is connected to the bracket.

Further, the angle between the solar cell panel and the horizontal plane ranges from 15° to 70°.

Further, the support is T-shaped, and the solar panel is installed on the T-shaped surface.

Further, the driving motor is connected with the support through a worm gear transmission mechanism.

Further, the control unit is installed in the control box, and the control box is installed on the bracket.

Further, the control unit adopts MCU single-chip microcomputer.

Further, the driving motor adopts a stepping driving motor.

Compared with the prior art, the utility model has the following beneficial technical effects:

The control unit of the utility model acquires the position information of the sun collected by the tracker, drives the motor to drive the bracket and the solar battery panel to rotate, thereby adjusting the horizontal direction of the solar battery panel, and adjusts the vertical direction of the solar battery panel by adjusting the angle adjustment device. Make the solar panel on the support always face the position of the sun, so that the sun can directly shine on the solar panel on the support for as long as possible, thereby improving the efficiency of utilizing solar energy, which has good practicability. The utility model has simple structure, is convenient to manufacture and use, and has low cost, and is especially suitable for tracking sunlight of solar battery panels.

Further, in the utility model, by setting four photoresistors outside and inside the tracker’s shell, it is convenient to obtain the illuminance of the sun and compare it through the control unit. The position of the battery panel is adjusted until the illuminance is the same, which is convenient and quick, and greatly improves the efficiency of utilizing solar energy.

Furthermore, the utility model adopts the electric telescopic rod, which has a simple structure, is easy to replace, and has low cost, which simplifies the structure of the utility model.

Furthermore, the utility model adopts a worm gear transmission mechanism, which has self-locking property, can ensure the stability of the mechanism, and is especially suitable for outdoor use.

Further, the utility model adopts MCU single-chip microcomputer, which has low cost, strong control ability, high reliability and convenient production.

Further, the utility model adopts a stepping drive motor, so that the control is convenient and precise.

【Description of drawings】

Fig. 1 is the main view structure schematic diagram of the utility model;

Fig. 2 is a schematic diagram of photoresistor distribution in the tracker of the present invention;

Fig. 3 is a top view of photoresistor distribution in the tracker of the present invention.

The meanings of each label in the figure are: 1-solar panel, 2-tracker, 3-control box, 4-pin shaft, 5-electric telescopic rod, 6-bracket, 7-drive motor, 8-wire, 9- Worm screw, 10-worm gear, 11-base.

【detailed description】

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figure 1, the utility model includes a horizontal base 11 and a T-shaped bracket 6 installed on the base 11, the bracket 6 can rotate around the axis, and a driving motor 7 is fixedly installed on the base 11, and the driving motor 7 passes through a worm gear The transmission mechanism drives the support 6 to rotate, wherein the drive motor 7 is connected to the worm wheel 10 through the worm 9, and the worm wheel 10 is fixedly installed on the T-shaped leg of the support 6, and the drive motor 7 adopts a stepping drive motor, which is convenient and accurate to control; A solar cell panel 1 is installed on the T-shaped surface of the support 6, wherein one end of the solar cell panel 1 is directly connected with the T-shaped surface of the support 6 through the pin shaft 4, and the other end is connected with the angle adjustment device through the pin shaft 4, and the angle adjustment The device is connected with the bracket 6 through the pin shaft 4, and the angle adjustment device is used to adjust the angle between the solar panel 1 and the horizontal plane, and the range of the angle is 15-70°; the angle adjustment device is an electric telescopic rod 5, One end of the electric telescopic rod 5 is connected to the solar cell panel 1, and the other end is connected to the bracket 6. When the electric telescopic rod 5 is in a fully contracted state, the angle between the solar cell panel 1 and the horizontal plane is 15°, and the vertical direction of the utility model is selected. The electric telescopic rod 5 is used to realize the adjustment, the structure is simple, easy to replace, and the cost is low, which simplifies the structure of the utility model. Electric telescopic link 5 selects industrial gear transmission form push rod for use.

A tracker 2 is installed on the solar panel 1, and the tracker 2 includes a cylindrical shell, and four photoresistors are respectively arranged outside and inside the cylindrical shell, and the photoresistors are respectively located in the east, south, west and The north direction is used to collect the sun position information; the tracker 2 is connected to the control unit through the wire 8, and the control unit is connected to the drive motor 7 and the electric telescopic rod 5 through the wire 8 at the same time, and the control unit is used to obtain the sun position information, start the drive motor 7 and The electric telescopic rod 5 adjusts the position of the solar panel 1 until it matches the position information of the sun; and resets when there is no light or the light is not enough to be utilized by the solar panel 1 . The control unit adopts an MCU single-chip microcomputer and is installed in the control box 3. The single-chip microcomputer has the advantages of low cost, strong control ability, high reliability and easy production; the control unit is used to obtain the sun position information and judge whether the tracker 2 is facing the sun , start the driving motor and the angle adjustment device when the tracker 2 is not facing the sun, and adjust the position of the solar panel until the tracker is facing the sun; the control box 3 is installed on the bracket 6 .

The principle of the present utility model is as follows: first the photoresistor of the tracker 2 collects the position information of the sun, and the acquisition position information includes the horizontal position of the sun and the vertical position of the sun, and the structure distribution of the tracker 2 can be seen from the left side of Fig. 1 , as shown in Fig. 2 and Fig. 3, wherein, the left and right symmetrical photoresistors located outside the cylindrical shell of the tracker 2 are respectively located in the due east and due west directions, which can roughly detect the deflection angle of the sun moving from east to west, namely Horizontal azimuth, the external up and down symmetrical photoresistors are located in the south and north directions, which can roughly detect the apparent height of the sun, that is, the vertical altitude angle; Accurately detect the deflection angle of the sun moving from east to west, and the internal up and down symmetrical photoresistors are respectively located in the south and north directions, which can accurately detect the apparent height of the sun. When the cylindrical casing is facing the sun, the illuminance received by the two left and right photoresistors outside the tracker 2 and the two photoresistors inside the tracker 2 are the same. At this time, the output value of the comparison circuit of the control unit is zero. At a small angle in the horizontal direction, the outer left and right photoresistors may be affected by ambient scattered light and will not reflect changes in sunlight, while the inner left and right photoresistors are protected by the cylinder’s shielding of ambient scattered light. There will be a difference in the illuminance received by them, and a deviation signal will be generated. After the signal is amplified, it will be sent to the control unit, and the control unit will start to work. The drive motor 7 will drive the worm and worm gear mechanism and the support 6 to run, and adjust the horizontal azimuth of the solar panel 1. , until the tracker 2 and solar panel 1 are aligned with the sun. In the same way, the vertical position also follows this step to track the sun's altitude angle; in summary, the control unit in the control box 3 starts the drive motor 7 according to the collected position information, and drives the bracket 6 to rotate through the worm wheel 10 and the worm 9, thereby adjusting the solar panel The horizontal position of 1; by adjusting the electric telescopic rod 5 to adjust the angle between the solar panel 1 and the horizontal plane, thereby adjusting the vertical elevation angle of the solar panel 1, so that the sun can directly shine on the solar panel 1 for as long as possible , thereby greatly improving the efficiency of utilizing solar energy.

The utility model also has the following advantages:

1. Since the solar tracking devices are used outdoors, considering the stability of the structure, the movement mechanism must be self-locking. The worm and worm gear transmission mechanism is self-locking, which can ensure the stability of the mechanism.

2. The control box of the solar tracking device has an automatic reset function. After the sun sets and the tracker 2 fails to collect the position of the sun, the control unit will automatically adjust the utility model to restore the initial set position, that is, it will face the sun when it rises the next day. starting position.

3. The electric telescopic rod 5 is used to adjust the vertical direction of the solar tracking device. The structure is simple, easy to replace, and the cost is low.

The utility model has the advantages of simple structure, reliable performance, high cost performance of each component part of the device, can be widely used on solar panels, and has certain promotion value and application value.

Claims (10)

1. A solar tracking device, characterized in that it comprises a horizontal base (11) and a support (6) mounted on the base (11), the support (6) can rotate around the axis, and is fixedly installed on the base (11) There is a drive motor (7) for driving the support (6) to rotate; a solar panel (1) is installed on the top of the support (6), and a solar panel for adjusting the solar panel is installed between the solar panel (1) and the support (6). (1) An angle adjustment device for the angle between the horizontal plane, a tracker (2) for collecting sun position information is installed on the solar panel (1), the tracker (2) is connected to the control unit, and the control unit is connected to the drive motor at the same time (7) and angle adjustment device; the control unit is used to obtain the sun position information, and judge whether the tracker (2) is facing the sun, and start the drive motor (7) and the angle adjustment device when the tracker (2) is not facing the sun , adjust the position of the solar panel (1) until the tracker (2) is facing the sun. 2 . A solar tracking device according to claim 1 , characterized in that the tracker ( 2 ) comprises a cylindrical casing, and four photoresistors are evenly arranged on the outside and inside of the cylindrical casing. 3 . 3 . The solar tracking device according to claim 2 , wherein the photoresistors are respectively located in directions of due east, due south, due west and due north. 4 . 4. A solar tracking device according to claim 1, characterized in that the angle adjustment device is an electric telescopic rod (5), one end of the electric telescopic rod (5) is connected to the solar panel (1), and the other end Attach bracket (6). 5. A solar tracking device according to claim 1 or 4, characterized in that the angle between the solar panel (1) and the horizontal plane ranges from 15° to 70°. 6. A solar tracking device according to claim 1, characterized in that the bracket (6) is T-shaped, and the solar panel (1) is installed on the T-shaped surface. 7. A solar tracking device according to claim 1 or 6, characterized in that the drive motor (7) is connected to the bracket (6) through a worm gear transmission mechanism. 8. A solar tracking device according to claim 1, characterized in that the control unit is installed in the control box (3), and the control box (3) is installed on the bracket (6). 9. A solar tracking device according to claim 1 or 8, characterized in that the control unit is an MCU single-chip microcomputer. 10. A solar tracking device according to claim 1, characterized in that the driving motor (7) is a stepping driving motor.